WIP, collision detects too much, no resolving for most cases.

include/Engine/Collision/Collision.h

@@ -26,6 +26,15 @@ bool RayVsAABB(const Ray& ray, const AABB& box);
 //Return true if the ray hits the box, also outputs distance from ray origin to intersection point in [outDistance].
 bool RayVsAABB(const Ray& ray, const AABB& box, float& outDistance);
 
+//Return true if the ray hits the triangle, and the distance is less than outDistance.
+bool RayVsTriangle(const Ray& ray,
+    const glm::vec3& v0,
+    const glm::vec3& v1,
+    const glm::vec3& v2,
+    float& outDistance,
+    float& outUCoord,
+    float& outVCoord,
+    bool trueOnNegativeDistance = false);
 //Return true if the ray hits any of the triangles in the model. Stops checking when a hit is detected.
 bool RayVsModel(const Ray& ray, 
     const std::vector<RawModel::Vertex>& modelVertices,